Deep-Pile Polartec® Thermal Pro® Polyester Fleece High-pile Polartec® Thermal Pro® 100% polyester (77% recycled) fleece has extra-long fibers to retain warmth Doubled-Fleece Stand-Up Collar Stand-up collar has doubled fleece for warmth Snap-Closure Front Placket Front placket hides a four-snap closure and is reinforced with nylon Princess Seams and Yoke Yoke and princess seams add contouring and shape Stay-Put Chest Pocket Flap Classic Patagonia chest-pocket flap with stay-put envelope construction Kangaroo Handwarmer Pocket; Straightened Seaming Straightened kangaroo handwarmer pocket modernizes the silhouette; hip length Supporting the People Who Made This Product Fair Trade Certified™ sewn, which means the people who made it earned a premium for their labor